/* Home page styles for the aboutinsider theme */

/* ===================== SEO H1 ===================== */
.indor-home-h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--indor-text);
    text-align: center;
    margin: 18px auto 0;
    padding: 0 16px;
    line-height: 1.4;
}

/* ===================== Hero Section ===================== */
.indor-hero {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 3px;
    margin-top: 20px;
    height: 440px;
}

.indor-hero-main {
    position: relative;
    overflow: hidden;
    border-radius: 2px;
    height: 100%;
}

.indor-hero-main__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.indor-hero-main:hover .indor-hero-main__img {
    transform: scale(1.02);
}

.indor-hero-main__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    padding: 32px 20px 20px;
}

.indor-hero-main__title {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.35;
    margin-bottom: 8px;
}

.indor-hero-main__title a {
    color: #ffffff;
    text-decoration: none;
}

.indor-hero-main__title a:hover {
    color: var(--indor-accent);
    text-decoration: none;
    opacity: 1;
}

.indor-hero-main__date {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.indor-hero-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
    height: 100%;
}

.indor-hero-list-item {
    display: flex;
    flex-direction: row;
    overflow: hidden;
    flex: 1;
    min-height: 0;
    border-radius: 2px;
    background: #1a1a1a;
    transition: background 0.2s;
}

.indor-hero-list-item:hover {
    background: #222;
}

.indor-hero-list-item__img-wrap {
    flex-shrink: 0;
    width: 120px;
    position: relative;
    overflow: hidden;
}

.indor-hero-list-item__img-wrap a {
    display: block;
    height: 100%;
}

.indor-hero-list-item__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.indor-hero-list-item:hover .indor-hero-list-item__img {
    transform: scale(1.04);
}

.indor-hero-list-item__body {
    flex: 1;
    min-width: 0;
    padding: 10px 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.indor-hero-list-item__title {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: 4px;
}

.indor-hero-list-item__title a {
    color: #ffffff;
    text-decoration: none;
}

.indor-hero-list-item__title a:hover {
    color: var(--indor-accent);
    text-decoration: none;
    opacity: 1;
}

/* ===================== Category Section Grid ===================== */
.indor-cats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px 32px;
    margin-top: 36px;
}

.indor-cat-section {
    border-top: 3px solid var(--indor-primary);
    padding-top: 12px;
}

.indor-cat-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.indor-cat-section__name {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--indor-text);
    /*text-transform: uppercase;*/
    letter-spacing: 0.8px;
    text-decoration: none;
}

.indor-cat-section__name:hover {
    color: var(--indor-primary);
    text-decoration: none;
    opacity: 1;
}

.indor-cat-section__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.indor-cat-featured {
    display: flex;
    flex-direction: row;
    gap: 12px;
    align-items: flex-start;
    overflow: hidden;
    border-radius: 2px;
}

.indor-cat-featured__img-wrap {
    flex-shrink: 0;
    width: 180px;
    height: 120px;
    overflow: hidden;
    border-radius: 2px;
    position: relative;
}

.indor-cat-featured__img-wrap a {
    display: block;
    height: 100%;
}

.indor-cat-featured__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.indor-cat-featured:hover .indor-cat-featured__img {
    transform: scale(1.02);
}

.indor-cat-featured__info {
    flex: 1;
    min-width: 0;
    padding: 0;
}

.indor-cat-featured__title {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--indor-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-decoration: none;
}

.indor-cat-featured__title:hover {
    color: var(--indor-primary);
    text-decoration: none;
    opacity: 1;
}

.indor-cat-featured__meta {
    font-size: 12px;
    color: var(--indor-text-muted);
    margin-top: 5px;
}

.indor-cat-small-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.indor-cat-small-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 9px 0;
    border-bottom: 1px solid var(--indor-border);
}

.indor-cat-small-item:last-child {
    border-bottom: none;
}

.indor-cat-small-item__img {
    flex-shrink: 0;
    width: 60px;
    height: 62px;
    overflow: hidden;
    border-radius: 2px;
}

.indor-cat-small-item__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.indor-cat-small-item__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--indor-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
}

.indor-cat-small-item__title:hover {
    color: var(--indor-primary);
    text-decoration: none;
    opacity: 1;
}

.indor-cat-small-item__meta {
    font-size: 12px;
    color: var(--indor-text-muted);
    margin-top: 3px;
}

/* ===================== Responsive ===================== */
@media (max-width: 900px) {
    .indor-hero {
        grid-template-columns: 1fr;
        height: auto;
    }

    .indor-hero-main {
        height: 280px;
    }

    .indor-hero-list {
        flex-direction: column;
        height: auto;
    }

    .indor-hero-list-item {
        height: 80px;
    }

    .indor-hero-list-item__img-wrap {
        width: 110px;
    }

    .indor-cats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .indor-hero-list {
        display: flex;
        flex-direction: column;
        height: auto;
    }

    .indor-hero-list-item {
        height: 80px;
    }

    .indor-hero-list-item__img-wrap {
        width: 90px;
    }
}

/* ===================== Bottom Bar ===================== */
.indor-bottom-bar {
    margin-top: 48px;
    padding: 32px 0 36px;
    border-top: 1px solid var(--indor-border);
}

.indor-bottom-bar__inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 32px;
}

.indor-bottom-col__heading {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 700;
    /*text-transform: uppercase;*/
    letter-spacing: 0.8px;
    color: var(--indor-text);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--indor-primary);
}

.indor-bottom-col__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.indor-bottom-col__item {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.indor-bottom-col__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--indor-text);
    line-height: 1.4;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.indor-bottom-col__title:hover {
    color: var(--indor-primary);
    text-decoration: none;
    opacity: 1;
}

.indor-bottom-col__date {
    font-size: 12px;
    color: var(--indor-text-muted);
}
@media(max-width:1200px){
    .indor-bottom-bar{
        padding: 32px 16px 36px;
    }
}
@media(max-width:1024px){
    .indor-bottom-bar{
        padding: 32px 0 36px;
    }
}
@media (max-width: 900px) {
    .indor-bottom-bar__inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .indor-bottom-bar__inner {
        grid-template-columns: 1fr;
    }
}
/* =====================================================================
   FLIP CARD — home-category-section（按分类分组版）
   ===================================================================== */

/* ---------- 所有分类的外层容器 ---------- */
.indor-flip-cats {
    display: flex;
    flex-direction: column;
    gap: 44px;
    margin-top: 36px;
}

/* ---------- 单个分类区块 ---------- */
.indor-flip-cat-block {
    /* 无需额外样式，间距由 gap 控制 */
}

/* ---------- 分类标题行 ---------- */
.indor-flip-cat-block__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    border-top: 3px solid var(--indor-primary);
    padding-top: 10px;
}

.indor-flip-cat-block__name {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--indor-text);
    letter-spacing: 0.6px;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.indor-flip-cat-block__name:hover {
    color: var(--indor-primary);
    opacity: 1;
    text-decoration: none;
}

/* 标题与 More 之间的分隔线 */
.indor-flip-cat-block__line {
    flex: 1;
    height: 1px;
    background: var(--indor-border);
}

.indor-flip-cat-block__more {
    font-size: 13px;
    font-weight: 600;
    color: var(--indor-primary);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: opacity 0.2s;
}

.indor-flip-cat-block__more:hover {
    opacity: 0.75;
    text-decoration: none;
}

/* ---------- 每个分类下的 4 列卡片网格 ---------- */
.indor-flip-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

/* ---------- 单张卡片外壳 ---------- */
.indor-flip-card {
    height: 280px;
    perspective: 1000px;
    cursor: pointer;
    outline: none;
}

/* ---------- 翻转容器 ---------- */
.indor-flip-card__inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.52s cubic-bezier(0.4, 0.2, 0.2, 1);
    border-radius: 6px;
}

.indor-flip-card:hover .indor-flip-card__inner,
.indor-flip-card:focus .indor-flip-card__inner,
.indor-flip-card.is-flipped .indor-flip-card__inner {
    transform: rotateY(180deg);
}

/* ---------- 正面 & 背面共用 ---------- */
.indor-flip-card__front,
.indor-flip-card__back {
    position: absolute;
    inset: 0;
    border-radius: 6px;
    overflow: hidden;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* ---------- 正面 ---------- */
.indor-flip-card__front {
    background: #636363;
}

.indor-flip-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
    opacity: 0.9;
}

.indor-flip-card:hover .indor-flip-card__img {
    transform: scale(1.04);
}

.indor-flip-card__front-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 36px 12px 12px;
    background: linear-gradient(transparent 0%, rgba(0, 0, 0, 0.78) 100%);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.indor-flip-card__badge {
    display: inline-block;
    align-self: flex-start;
    padding: 2px 9px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: var(--indor-primary);
    color: #fff;
    border-radius: 3px;
    text-decoration: none;
    text-transform: uppercase;
    white-space: nowrap;
}

.indor-flip-card__badge:hover {
    opacity: 0.85;
    text-decoration: none;
}

.indor-flip-card__front-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- 背面 ---------- */
.indor-flip-card__back {
    transform: rotateY(180deg);
    background: #1a1a2e;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 18px;
    gap: 10px;
}

.indor-flip-card__back-badge {
    display: inline-block;
    align-self: flex-start;
    padding: 2px 9px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: var(--indor-primary);
    color: #fff;
    border-radius: 3px;
    text-decoration: none;
    text-transform: uppercase;
}

.indor-flip-card__back-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.indor-flip-card__back-title:hover {
    color: #ffd700;
    opacity: 1;
    text-decoration: none;
}

.indor-flip-card__back-summary {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.indor-flip-card__back-meta {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: auto;
}

.indor-flip-card__back-dot {
    color: rgba(255, 255, 255, 0.3);
}

.indor-flip-card__back-btn {
    display: inline-block;
    align-self: flex-start;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 700;
    color: #1a1a2e;
    background: #ffd700;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.indor-flip-card__back-btn:hover {
    background: #fff;
    color: #1a1a2e;
    opacity: 1;
    text-decoration: none;
}

/* =====================================================================
   响应式断点
   ===================================================================== */

/* 平板：3列（但每分类只有4篇，第4篇自动换行到第二行） */
@media (max-width: 1100px) {
    .indor-flip-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 小平板：2列 */
@media (max-width: 760px) {
    .indor-flip-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .indor-flip-card {
        height: 240px;
    }
    .indor-flip-cats {
        gap: 32px;
    }
}

/* 手机：2列，禁用 hover 翻转，改用点击 .is-flipped */
@media (max-width: 480px) {
    .indor-flip-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .indor-flip-card {
        height: 210px;
    }
    .indor-flip-card:hover .indor-flip-card__inner {
        transform: none;
    }
    .indor-flip-card.is-flipped .indor-flip-card__inner {
        transform: rotateY(180deg);
    }
}